Open Source Centre
@osc_london
OSC works at the cutting edge of open source intelligence and analytics to derive insights on important questions related to national security and defence.
Today we are publishing a new investigation “Brothers in Arms” conducted in conjunction with @ReutersGraphics that details for the first time the significant scale of munitions transfers from North Korea to Russia since August 2023. Link and findings below.
Flyover of Fordow using a 3D topographical rendering of an @AirbusDefence image captured on June 23, 2025. This rendering clearly highlights the entry points of the GBU-57A/B MOP bunker busters that struck the facility.
High-resolution imagery taken on 22 June 2025 at Fordow, clearly shows at least six entry points of the GBU-57A/B MOP bunker busters that struck the facility. The strikes also caused a large amount of dust and debris, which are clearly visible in the image
Additional satellite imagery from the Natanz nuclear site shows a significant impact point, likely caused by a GBU-57A/B MOP bunker busting bomb targeting underground facilities.
New high-resolution imagery, captured on June 21, 2025, suggests Iran was preparing the Fordow nuclear facility for a strike. The facility's entrance tunnels were observed being filled with earth by trucks and diggers.
High-resolution imagery from @AirbusDefence taken on 19 June 2025 shows the aftermath of the strike on Iran’s Arak Heavy Water Reactor.
Satellite imagery from @AirbusDefence shows an unidentified facility struck on 17 June in the vicinity of Imam Hussein University, an institute affiliated with the IRGC and allegedly linked to Iran’s nuclear weapons programme.
